ETEL LMG20-050-3QB-211A Servo Motor – High Torque Linear Motion

The ETEL LMG20-050-3QB-211A is a high-performance linear servo motor designed for applications requiring exceptional torque and precision. This motor is part of ETEL's LMG series, which is renowned for its robust construction, high efficiency, and reliability in demanding industrial environments. The direct drive architecture eliminates mechanical transmission components, providing zero backlash, high stiffness, and superior dynamic performance.

This linear motor is specifically engineered for heavy-duty applications, including machine tool feed drives, large-format semiconductor handling systems, and high-force factory automation equipment. Its advanced magnetic design and efficient cooling system ensure stable performance even under continuous high-load operation.

Key Features

• High Force Density: Maximizes force output within a compact envelope.

• Direct Drive Technology: Eliminates backlash, friction, and wear.

• Integrated Cooling System: Efficient thermal management for continuous operation.

• Robust Construction: Sealed housing protects against dust and coolant.

• High-Resolution Feedback Compatibility: Supports optical and magnetic encoders.

• Modular Design: Easy integration with ETEL's range of amplifiers and magnet tracks.

Technical Specifications

The LMG20-050-3QB-211A operates with a three-phase winding configuration and is designed for use with 230 VAC or 400 VAC servo drives. It delivers a continuous force of up to 200 N and a peak force of up to 600 N, depending on cooling conditions. The motor has a coil length of 50 mm and is designed to work with ETEL's magnet tracks.

Electrical characteristics include low inductance and resistance, enabling high bandwidth current control. The motor is compatible with incremental, absolute, and sine-cosine encoders. The integrated thermal sensors provide overtemperature protection.

Applications

• Machine Tools: High-performance feed drives.

• Semiconductor Manufacturing: Wafer handling and inspection.

• Factory Automation: Heavy-duty positioning systems.

• Laser Processing: Precision cutting and welding.

Integration and Installation

Integrating the LMG20-050-3QB-211A is facilitated by its standardized mechanical interfaces and clear documentation. The motor can be mounted in various orientations. Proper alignment between the motor coil and magnet track is essential for optimal performance, and ETEL provides detailed guidelines and alignment tools.

Benefits

• Increased Throughput: High acceleration reduces cycle times.

• Improved Quality: Low force ripple for superior surface finish.

• Reduced Maintenance: No mechanical wear components.

• Design Flexibility: Multiple mounting options.

Conclusion

The ETEL LMG20-050-3QB-211A servo motor delivers exceptional force, precision, and reliability for demanding linear motion applications.